Submission #1354796

#	Time	Username	Problem	Language	Result	Execution time	Memory
1354796		imchy	Gift Boxes (EGOI25_giftboxes)	C++20	0 / 100	494 ms	49152 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int main(){
    int t, n, id1=0, id2=0;
    cin>>t>>n;
    vector<int> c(n);
    map<int, int> p;

    for(int i=0;i<n;i++){
        cin>>c[i];
    }

    int i=0, j=n-1;

    while(!id1 || !id2){
        if(p[c[i]] && !id1){
            id1=i+1;

        }

        if(p[c[j]] && !id2){
            id2=j+1;
        }
        p[c[i]]=i+1;

        p[c[j]]=j+1;

        i++;
        j--;

    }

    map<int, int> k;
    int j1, j2;

    for(i=0;i<n;i++){
        if(k[c[i]]){
            j1=i;
            break;
        }
    }
    for(j=n-1;j>=0;j--){
        if(k[c[i]]){
            j2=j;
            break;
        }
    }

    if(abs(id2-id1)<abs(j2-j1))
        cout<<min(id1-1, id2-1)<<" "<<max(id1-1, id2-1);

    else
        cout<<min(j1, j2)<<" "<<max(j1, j2);

    return 0;
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 0 / 11
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 24